error[E0308]: mismatched types
Error:    --> /usr/share/cargo/registry/src/index.crates.io-1949cf8c6b5b557f/pgrx-0.15.0/src/hooks.rs:273:22
    |
273 |             .replace(pgrx_executor_start)
    |              ------- ^^^^^^^^^^^^^^^^^^^ expected fn pointer, found fn item
    |              |
    |              arguments to this method are incorrect
    |
    = note: expected fn pointer `unsafe extern "C-unwind" fn(_, _) -> ()`
                  found fn item `unsafe extern "C-unwind" fn(_, _) -> bool {pgrx_executor_start}`
help: the return type of this call is `unsafe extern "C-unwind" fn(*mut pgrx_pg_sys::QueryDesc, i32) -> bool {pgrx_executor_start}` due to the type of the argument passed
   --> /usr/share/cargo/registry/src/index.crates.io-1949cf8c6b5b557f/pgrx-0.15.0/src/hooks.rs:272:35
    |
272 |           prev_executor_start_hook: pg_sys::ExecutorStart_hook
    |  ___________________________________^
273 | |             .replace(pgrx_executor_start)
    | |______________________-------------------^
    |                        |
    |                        this argument influences the return type of `replace`
note: method defined here
   --> /rustc/6b00bc3880198600130e1cf62b8f8a93494488cc/library/core/src/option.rs:1809:18

error[E0308]: mismatched types
Error:    --> /usr/share/cargo/registry/src/index.crates.io-1949cf8c6b5b557f/pgrx-0.15.0/src/hooks.rs:274:22
    |
274 |             .or(Some(pgrx_standard_executor_start_wrapper)),
    |                 ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected fn pointer, found fn item
    |                 |
    |                 arguments to this enum variant are incorrect
    |
    = note: expected fn pointer `unsafe extern "C-unwind" fn(_, _) -> ()`
                  found fn item `unsafe extern "C-unwind" fn(_, _) -> bool {pgrx_standard_executor_start_wrapper}`
help: the type constructed contains `unsafe extern "C-unwind" fn(*mut pgrx_pg_sys::QueryDesc, i32) -> bool {pgrx_standard_executor_start_wrapper}` due to the type of the argument passed
   --> /usr/share/cargo/registry/src/index.crates.io-1949cf8c6b5b557f/pgrx-0.15.0/src/hooks.rs:274:17
    |
274 |             .or(Some(pgrx_standard_executor_start_wrapper)),
    |                 ^^^^^------------------------------------^
    |                      |
    |                      this argument influences the type of `Some`
note: tuple variant defined here
   --> /rustc/6b00bc3880198600130e1cf62b8f8a93494488cc/library/core/src/option.rs:597:5

error[E0308]: mismatched types
Error:    --> /usr/share/cargo/registry/src/index.crates.io-1949cf8c6b5b557f/pgrx-0.15.0/src/hooks.rs:345:25
    |
345 |         HookResult::new(res)
    |         --------------- ^^^ expected `bool`, found `()`
    |         |
    |         arguments to this function are incorrect
    |
note: associated function defined here
   --> /usr/share/cargo/registry/src/index.crates.io-1949cf8c6b5b557f/pgrx-0.15.0/src/hooks.rs:43:12
    |
43  |     pub fn new(value: T) -> Self {
    |            ^^^ --------

error[E0308]: mismatched types
Error:    --> /usr/share/cargo/registry/src/index.crates.io-1949cf8c6b5b557f/pgrx-0.15.0/src/hooks.rs:734:5
    |
733 | ) -> bool {
    |      ---- expected `bool` because of return type
734 |     pg_sys::standard_ExecutorStart(query_desc, eflags)
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `()`

For more information about this error, try `rustc --explain E0308`.
error: could not compile `pgrx` (lib) due to 4 previous errors
Error: Process completed with exit code 1.